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Invoking a RESTful Style Web Service in Oracle APEX


The response can be an XML or text such as a comma separated response or JSON. The following is an example of MAKE_REST_REQUEST being used in an application process that is callable by AJAX.

Code:

declare
  l_clob clob;
  l_buffer         varchar2(32767);
  l_amount         number;
  l_offset         number;
begin

  l_clob := apex_web_service.make_rest_request(
              p_url => 'https://api.covid19india.org/v2/state_district_wise.json',
              p_http_method => 'GET');

    l_amount := 32000;
    l_offset := 1;
    begin
        loop
            dbms_lob.read( l_clob, l_amount, l_offset, l_buffer );
            htp.p(l_buffer);
            l_offset := l_offset + l_amount;
            l_amount := 32000;
        end loop;
    exception
        when no_data_found then
            null;
    end;
end;

That's it. Happy APEXing!!!...

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